<template>
  <div class="tab">
    关于页
    <input type="text" v-model="msg" />
  </div>
</template>

<script>
export default {
  name: 'About',
  data() {
    return {
      msg: ''
    }
  },
  created() {
    console.log('About created')
  },
  unmounted() {
    console.log('About unmounted')
  }
}
</script>
